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Twins are always interesting (at least to those of us who are not a twin ourselves) and probably one of the few things more interesting than twins on Earth is twins in space! Mark and Scott Kelly, astronaut twins that have inhabited the ISS at the same time, are once more going to be contributing to NASA's science mission, but this time, one twin will be headed up to the ISS for a year and one will be left here on Earth!
NASA astronaut Karen Nyberg, Expedition 36 flight engineer, works to setup the Multi-Purpose Small Payload Rack (MSPR) fluorescence microscope in the Kibo laboratory of the International Space Station. This configuration, along with the leak checks that the crew performed in June, is in preparation for the Aniso Tubule experiment launching on HTV-4 in August. Aniso Tubule will investigate the role of cortical microtubules and microtubule-associated proteins in plant growth while in microgravity.